Thread Joining Mechanism

ABSTRACT

A thread joining mechanism which possesses and for annular engaging external surface and/or internal surface, preferably for the containers with annular opening, comprising: at least an external thread line, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a convex fixed area and locking piece, preferably be processed as configuration by a part of said upper end and lower end which close to said external thread line, or preference is given to the convex part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper end and/or lower end of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line.

FIELD OF THE INVENTION

The invention relates to a thread joining mechanism, in particular to a thread joining mechanism for annular engaging external surface and/or internal surface, preferably for the containers with annular opening.

BACKGROUND OF THE INVENTION

The containers which utilize prior art of thread joining mechanism, for example, the container with plastic thread cap, always outflow/leak liquid due to the reasons below:

-   -   a) user did not tighten to preset position due to not fully         understanding,     -   b) cap and the main body such as cup, bottle or pipe do not         engage well on sealing so it cannot form the liquid seal,     -   c) during transportation on land/sea, due to swing, collision         and vibration, the sealing of cap will be affected and thus         become loose,     -   d) during air transportation, due to pressure change, the         sealing of cap will be affected and thus become loose, and     -   e) when the container is delivering between the places where         have big pressure difference, the sealing of cap will also be         affected and thus become loose.

SUMMARY OF THE INVENTION

The invention disclosed a thread joining mechanism which possesses and for annular engaging external surface and/or internal surface, preferably for the containers with annular opening, comprising:

at least an external thread line, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a convex fixed area and locking piece, preference is given to the convex part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper end and/or lower end of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line, and/or the end or periphery or edge of said convex fixed area and locking piece is preferably possessing transition section like oblique angle or round edge, and/or the height of said convex fixed area and locking piece is roughly equivalent to the height of said external thread line, preferably 80-100% of said external thread line's height or maximum height, and/or the thickness of said convex fixed area and locking piece is roughly equivalent to the thickness of said external thread line, preferably 70-100% of said external thread line's thickness or maximum thickness, and/or the width of said convex fixed area and locking piece is roughly equivalent to the height of said external thread line, preferably the height of said external thread line or maximum width which is 0.8-2 mm.

The embodiment of invention, the number of said external thread line is preferably 1-4, that 2 is more preferably, the number of said external thread line is roughly equivalent to or depending on perimeter of container's opening, and/or

the number of said convex fixed area and locking piece is preferably 1-12, when the number is 2 or above, any convex fixed area and locking piece are separated by preset spacing, preset spacing is preferably 2.5 cm or less, the number of said convex fixed area and locking piece is roughly corresponding to or depending on preset opening and closing times, and approximately in direct proportion, and/or when the number of convex fixed area and locking piece is even, the spacing of adjacent convex fixed area and locking piece is roughly equivalent to the width of said convex fixed area and locking piece, preferably 100-400% of said convex fixed area and locking piece's width or maximum width.

The embodiment of invention, the upper end which along the width of said convex fixed area and locking piece preferably possesses transition section like oblique angle or round edge, and/or

The invention also disclosed a thread joining mechanism which possesses and for annular engaging external surface and/or internal surface, preferably for the containers with annular opening, comprising:

at least an internal thread line, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a concave fixed area and locking piece, preferably the concave part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper end and/or lower end of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line, outspreading on the height direction which is from the top end of said annular engaging external surface and/or internal surface down to the corresponding bottom end of said thread line, or outspreading on the height direction is between two adjacent thread lines.

The embodiment of invention, the number of said internal thread line is preferably 1-4, that 2 is more preferable, the number of said internal thread line is roughly equivalent to or depending on perimeter of container's opening, and/or

the number of said concave fixed area and locking piece is preferably 1-12, when the number is 2 or above, any convex fixed area and locking piece are separated by preset spacing, preset spacing is preferably 2.5 cm or less, the number of said fixed area and locking piece is roughly corresponding to or depending on preset opening and closing times, and approximately in direct proportion, and/or when the number of concave fixed area and locking piece is even, the spacing of adjacent concave fixed area and locking piece is roughly equivalent to the height of said thread or the width of said concave fixed area and locking piece, preferably 80-100% of said concave fixed area and locking piece's width or maximum width.

The embodiment of invention, the height of said concave fixed area and locking piece is roughly equivalent to the spacing on height direction between the top end of said annular engaging external surface and/or internal surface and the corresponding bottom end of said internal thread line, or the spacing on height direction between two adjacent thread lines, and/or

the thickness of said fixed area and locking piece is roughly equivalent to 70-100% of said thread line's thickness or maximum thickness, and/or the width of said fixed area and locking piece is roughly equivalent to the width of said convex fixed area or the height of internal thread line, preferably 90-110% of said internal thread line's height or maximum height, that 0.8-2 mm is more preferable.

The invention also disclose a container, comprises open-type main body which can accommodate cavity and the cap which is separably coupled with said main body's opening, wherein said main body's opening comprises the thread joining mechanism that including external thread line or internal thread line, said cap comprises corresponding said thread joining mechanism that including external thread line or internal thread line, wherein:

The embodiment of invention, position of said convex fixed area and locking piece is set to engage the position of concave fixed area and locking piece, so that each convex fixed area and locking piece is separably coupled with each concave fixed area and locking piece, and/or

said convex fixed area and locking piece is set to collide with concave fixed area and locking piece while coupling, in order to generate sensible vibration cues and/or audible sound cues, to indicate two parts or said main body and said cap have been correctly coupled and fixed on preset position.

The embodiment of invention, the number of said convex fixed area and locking piece is preferably 2-6, that 5 is more preferable, there will be fixed spacing and/or varying spacing between even number of convex fixed areas and locking pieces, and/or wherein the configuration that sensible vibration cues and/or audible sound cues are generated when the first convex fixed area and locking piece of said convex fixed areas and locking pieces are coupling with the first concave fixed area and locking piece of said concave fixed areas and locking pieces, to indicate two parts or said main body and said cap reach initial coupling status and fix on the preset position where start to tighten up, and/or

the spacing between first convex fixed area and locking piece, and second convex fixed area and locking piece of said convex fixed areas and locking pieces is set to the spacing which needs to tighten up said main body and said cap with some power, preferably for 1-10 times of the width of said convex fixed area and locking piece or maximum width, that 1-4 times or about 0.11-1 cm is more preferable, and/or the configuration that sensible vibration cues and/or audible sound cues are generated when the second and subsequent convex fixed areas and locking pieces of said convex fixed areas and locking pieces are coupling with corresponding concave fixed areas and locking pieces, to indicate two parts or said main body and said cap are almost tightened up with each other and fix on the preset tightening position, and/or wherein said convex fixed area and locking piece is far away from the end of annular engaging external surface and/or internal surface or close to the end of said external thread line or the last convex fixed area and locking piece are set to separate with upper end and/or lower end of corresponding said external thread line for preset spacing, minimum is ⅓ of outer perimeter of opening, or preferably about 1-2 cm, said preset spacing works as buffer space, when concave fixed area and locking piece go beyond the last convex fixed area and locking piece, can fix within said buffer space in order to avoid generating gap while touching or colliding with said external thread line.

BRIEF DESCRIPTION OF THE DRAWINGS

Below are demonstrations of disclosed art by drawings, wherein:

FIGS. 1a-1b show the first embodiment of thread joining mechanism,

FIGS. 2a-2b show the second embodiment of thread joining mechanism,

FIGS. 3a-3b show the third embodiment of thread joining mechanism,

FIGS. 4a-4b show the forth embodiment of thread joining mechanism,

FIGS. 5a-5b show the fifth embodiment of thread joining mechanism,

FIGS. 6a-6b show the sixth embodiment of thread joining mechanism,

FIGS. 7a-7c show the seventh embodiment of thread joining mechanism,

FIGS. 8a-8b show the eighth embodiment of thread joining mechanism,

FIGS. 9a-9b show the ninth embodiment of thread joining mechanism,

FIGS. 10a-10b show the tenth embodiment of thread joining mechanism,

DETAILED DESCRIPTION OF THE EMBODIMENT

Below are some optimized embodiment combining with drawings in order to demonstrate the art of invention in more details.

The invention disclosed a container, comprises open-type main body (e.g. main body of cup) which can accommodate cavity and the cap (e.g. cap of the cup) which is separably coupled with said main body's opening, preferably for the container with annular opening, the thread joining mechanism which possesses and for annular engaging external surface and/or internal surface, said main body's opening and cap of container are set to collide with each other while separably coupling, in order to generate sensible vibration cues and/or audible sound cues, to indicate two parts or said main body and said cap have been correctly coupled and fixed on preset position.

The embodiment invention, cap and cup have their individual external and internal thread lines, utilizing the thread lines and the gaps within thread lines or space near thread lines to set additional coupling mechanism, in order to generate sensible vibration cues and/or audible sound cues after tightening up the cap and cup, to indicate two parts have been correctly coupled and fixed on preset position, wherein coupling mechanism is formed by convex part and concave part. When start to tighten the cap, thread line and the gap within thread line need to be tightened up along the thread, in consequence, the convex part and concave part must be designed as below:

i) when cap is designed having concave part, the cup must use convex part, on the contrary, the cup must use concave if cap is designed with convex part. ii) Convex can be or needs to be made on the end along thread line, the concave can be made in the gap within thread lines or in the space near thread line, and iii) The cap and cup, the numbers of their thread lines roughly depend on perimeter or external diameter of the opening, there would normally be one thread line if perimeter or external diameter is relatively big, then the time for tightening the cap will be shorter.

The convex and concave in the invention, characterized in:

a) use thread line and the gap within thread line of cap and cup to remind and limit tightening position. b) let user know the cap is already tightened and where the tightening position is. c) preferably use elastic material, e.g. plastic, to avoid loosing after tightening up and guarantee sealing of cap that will not affect by external environment or transportation, d) the design will basically not increase material consumption, e) suitable for plastic cap and plastic bottle, or one of them is made of plastic or elastic material.

Wherein convex can be on main cup (preferably near the opening), the cap needs to have concave (preferably inside and near the top), or convex can be on cap (preferably near the opening), then the cup has concave (preferably under and near the thread bottom line).

FIG. 1a-1b show the drawings of the first thread joining mechanism of the invention. It shows a container which comprising an open-type main body 1100 which can accommodate cavity and the cap 1200 which is separably coupled with said main body's opening, wherein said main body's opening and said cap respectively has the thread joining mechanism which possesses and for annular engaging external surface and/or internal surface.

FIG. 1a , thread joining mechanism of said main body's opening, comprising:

at least an external thread line 1110, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a convex fixed area and locking piece 1120, preferably to be processed as configuration by a part of said upper and lower ends which close to said external thread line, or preference is given to the convex part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper and/or lower ends of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line, and/or the end or periphery or edge of said convex fixed area and locking piece is preferably possessing transition section like oblique angle or round edge, and/or the height of said convex fixed area and locking piece is roughly equivalent to the height of said external thread line, preferably 80-100% of said external thread line's height or maximum height, and/or the thickness of said convex fixed area and locking piece is roughly equivalent to the thickness of said external thread line, preferably 70-100% of said external thread line's thickness or maximum thickness, and/or the width of said convex fixed area and locking piece is roughly equivalent to the height of said external thread line, preferably the height of said external thread line or maximum width which is 0.8-2 mm.

The embodiment of invention, the number of said external thread line is preferably 1-4, that 2 is more preferably, the number of said external thread line is roughly equivalent to or depends on perimeter of container's opening, and/or

the number of said convex fixed area and locking piece is preferably 1-12, when the number is 2 or above, any convex fixed area and locking piece are separated by preset spacing, preset spacing is preferably 2.5 cm or less, the number of said convex fixed area and locking piece is roughly corresponding to or depends on preset opening and closing times, and approximately in direct proportion, and/or when the number of convex fixed area and locking piece is even, the spacing of adjacent convex fixed area and locking piece is roughly equivalent to the width of said convex fixed area, preferably 100-400% of said convex fixed area's width or maximum width.

The embodiment of invention, the end on left and right hand side along the width of said convex fixed area and locking piece preferably possesses transition section like oblique angle or round edge, and/or

FIG. 1b , thread joining mechanism of said cap, comprising:

at least an internal thread line 1210, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a concave fixed area and locking piece 1220, preferably the concave part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper end and/or lower end of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line, outspreading on the height direction which is from the top end of said annular engaging external surface and/or internal surface down to the corresponding bottom end of said thread line, or outspreading on the height direction is between two adjacent thread lines.

The embodiment of invention, the number of said internal thread line is preferably 1-4, that 2 is more preferable, the number of said internal thread line is roughly equivalent to or depending on perimeter of container's opening, and/or

the number of said concave fixed area and locking piece is preferably 1-12, when the number is 2 or above, any convex fixed area and locking piece (e.g. between two opposite ends of concave fixed area and locking piece, or between the adjacent ones) are separated by preset spacing, preset spacing is preferably 2.5 cm or less, the number of said fixed area and locking piece is roughly corresponding to or depending on preset opening and closing times, and approximately in direct proportion, and/or when the number of concave fixed area and locking piece is even, the spacing of adjacent concave fixed area and locking piece is roughly equivalent to the width of corresponding said convex fixed area, preferably 80-100% of corresponding said convex fixed area's width or maximum width.

The embodiment of invention, the height of said concave fixed area and locking piece is roughly equivalent to the spacing on height direction between the top end of said annular engaging external surface and/or internal surface and the corresponding bottom end of said internal thread line, or the spacing on height direction between two adjacent thread lines, and/or

the thickness of said fixed area and locking piece is roughly equivalent to 70-100% of said thread line's thickness or maximum thickness, and/or the width of said concave fixed area and locking piece is roughly equivalent to the width of corresponding said convex fixed area, preferably 110% of corresponding said convex fixed area's width or maximum width which is 110%.

FIGS. 2a-2b , show the drawings of the second thread joining mechanism of the invention. FIG. 2a , thread joining mechanism of main body 2100's opening is roughly same with the thread joining mechanism showed in FIG. 1a , wherein there are 5 convex fixed areas and locking pieces 2121, 2124, 2125. FIG. 2b , the thread joining mechanism of cap 2200 is roughly same with the thread joining mechanism showed in FIG. 1b , wherein there are 9 separators and 8 concave fixed areas and locking pieces accordingly, such as concave fixed area and locking piece 2221, 2224, 2225.

Position of said convex fixed area and locking piece (e.g. 2121, 2124, 2125) is set to engage the position of concave fixed area and locking piece (e.g 2221, 2224, 2225), so that each convex fixed area and locking piece is separably coupled with corresponding or each concave fixed area and locking piece, and/or

said convex fixed area and locking piece is set to collide with concave fixed area and locking piece while coupling, in order to generate sensible vibration cues and/or audible sound cues, to indicate two parts or said main body and said cap have been correctly coupled and fixed on preset position.

The embodiment of invention, the number of said convex fixed area and locking piece is preferably 2-6, that 5 is more preferable, there will be fixed spacing and/or varying spacing between even number of convex fixed areas and locking pieces, and/or wherein the configuration that sensible vibration cues and/or audible sound cues are generated when the first convex fixed area and locking piece (2121) is coupling with the first concave fixed area and locking piece (2221), to indicate two parts or said main body and said cap reach initial coupling status and fix on the preset position where start to tighten up, and/or the spacing between first convex fixed area and locking piece, and second convex fixed area and locking piece is set to the spacing which needs to tighten up said main body and said cap with some power, preferably for 1-10 times of the width of said convex fixed area and locking piece or maximum width, that 1-4 times or about 0.11-1 cm is more preferable, and/or

the configuration that sensible vibration cues and/or audible sound cues are generated when the second and subsequent convex fixed areas and locking pieces (2124) are coupling with corresponding concave fixed areas and locking pieces, to indicate two parts or said main body and said cap are almost tightened up with each other and fix on the preset tightening position, and/or wherein said convex fixed area and locking piece is far away from the end of annular engaging external surface and/or internal surface or close to the end of said external thread line or the last convex fixed area and locking piece are set to separate with upper end and/or lower end of corresponding said external thread line for preset spacing, minimum is ⅓ of outer perimeter of opening, or preferably about 1-2 cm, said preset spacing works as buffer space, when concave fixed area and locking piece go beyond the last convex fixed area and locking piece, can fix within said buffer space in order to avoid generating gap while touching or colliding with said external thread line.

FIGS. 3a-3b , show the drawings of the third thread joining mechanism of the invention, wherein thread joining mechanism of main body 3100's opening uses at least one concave fixed area and locking piece 3120 as said above, it is set away from the end of opening or the far-end of opening in the embodiment, the thread joining mechanism of cap 3200 uses at least one convex fixed area and locking piece 3220 as said above accordingly, wherein it is set closing to the end of cap's opening or closing to cap's opening in the embodiment, coupling and colliding with at least one concave fixed area and locking piece 3120 of main body 3100 accordingly, to generate sensible vibration cues and/or audible sound cues, to indicate said main body and said cap have been correctly coupled and fixed on preset position.

FIGS. 4a-4b , show the drawings of the forth thread joining mechanism of the invention, wherein thread joining mechanism of said main body 4100's opening adopt 7 pcs vertical and parallel separators to form 6 concave fixed areas and locking pieces (e.g. 4121,4124, 4125) as said above, it is set away from the end of opening or the far-end of opening in the embodiment, the thread joining mechanism of cap 4200 uses at least 5 convex fixed area and locking piece 4221,4224, 4225 as said above accordingly, wherein it is set closing to the end of cap's opening or closing to cap's opening in the embodiment, coupling and colliding with at least one concave fixed area and locking piece (e.g. 4121, 4124, 4125) of main body 4100 accordingly, to generate sensible vibration cues and/or audible sound cues, to indicate said main body and said cap have been correctly coupled and fixed on preset position.

The embodiment in FIGS. 5a-10b , making convex on the cup (near opening), making concave on cap (inside and near the top), wherein the key of convex and concave design is to make them on a same track within respective thread line range on cup and cap, to have locking effect.

Wherein,

in FIG. 5a : A. convex, w. width of convex, h. height of convex, t. thickness of convex, in FIG. 5b : B. last lap of thread line,

in FIG. 6 a: I. Position 1, II. Position 2,

in FIG. 6b : C. far right side of concave, in FIG. 7b : A. convex (2-5 pcs), D. space behind the last convex (1-2 cm), in FIG. 7c : A1. first convex, A2. second convex (about 0.5 cm between A1 and A2), An. last convex, D. space behind the last convex (about 1 cm), in FIG. 8a : E. concave, h′. height of concave (from inner top of cap down to the top of first thread line), t′. thickness of concave (from cap surface to concave), F. width, in FIG. 8b : G. height from inner top of cap down to the bottom of first thread line, H. internal thread line, in FIG. 9a : I. opening, J. thread line which is the most closing to opening, in FIG. 9b : K. concave on the far right, H. internal thread line (wherein, concave needs to be made above internal thread line), in FIG. 10a : L. cap plug, M. cap edge, H. internal thread line, N. removed length of internal thread line, I′. Position 1 (the top between cap plug and cap edge), II′. Position 2, in FIG. 10b : O. concave, P. tail of external thread line acts as the beginning.

Key Points of Design: Cup—Convex

1) FIGS. 5a-5b show appearance design of the thread joining mechanism's convex:

-   -   a) thickness: about 90% of maximum thickness of thread ring (if         maximum thickness of thread line is 1 mm), there will be 0.1 mm         space, this design is to avoid the cap getting loose after         tightening up, this 0.1 mm space (spacing between convex and cap         internal surface) will not affect the function of anti-loose,         but will be smoother while tightening the cap,     -   b) Height: 90% of maximum height of thread line,     -   c) Width: 1.0 mm     -   d) appearance of thickness and height is similar with thread         line, both angel sides of width must have oblique angel or round         edge, in order to make it locked more smoothly when convex         engages with concave during tightening the cap.         2) FIGS. 6a-6b show drawings of convex position of thread         joining mechanism: use the distance between Position 1 and         Position 2 to calculate (equivalent to the far right side of         concave inside the cap), position is from the opening of cup         vertically down to the top of first convex.         3) FIGS. 7a-7c , show drawings of convex number of thread         joining mechanism:     -   a) the number is determined by tightening times required by the         product, the more times required to open and close, the more the         convex will be, due to tightening for many times, the convex in         front will be damaged that the following convex needs to work         with concave, but the total distance of convex cannot exceed the         total distance of concave that there must be convex working with         concave,     -   b) if the tightening time is not many, the number of convex can         be 2-4.         -   i) Space behind the last convex, about 1-2 cm (minimum             space: ⅓ of cup's outer perimeter or 1-2 cm), when concave             goes over the last convex, this space is used to avoid that             cannot be tight if colliding with thread lines on cup.     -   c) the number of convex for feeling is 5, suitable for not many         tightening times:         -   i) first convex gives the user feeling that it reaches the             position where should tighten the cap with power,         -   ii) spacing of first convex and second convex is generally             the distance for tightening the cap, about 0.4-0.7 cm,         -   iii) the second and subsequent convex are used to engage             with concave after tightening up,         -   iv) space behind the last convex, about 1-2 cm (minimum             space: ⅓ of cup's outer perimeter or 1-2 cm), when concave             goes over the last convex, this space is used to avoid that             cannot be tight if colliding with thread lines on cup.             4) distance of convex: distance between each two convex is 1             mm, except 3) c) ii),             5) number of thread line: can be 1-4, when there are 4, due             to limit of thread slider, said convex can be comprised on             only 2 thread lines.

Key Points of Design: Cap—Concave

1) FIGS. 8a-8b show appearance design of the thread joining mechanism's concave:

-   -   a) thickness: 1 mm (100% of maximum thickness of thread line, as         there is 0.1 mm space reserved on convex, there will be about         0.9 mm for convex engaging with concave.)     -   b) Height:         -   i) concave is made above the first thread line on the inner             top of cap, height is from inner top of cap down to above             first thread line,         -   ii) concave is made between two thread lines on the inner             top of cap, height is from inner top of cap down to under             first thread line,     -   c) width: 1.1 mm     -   d) cuboid, no need oblique angel or round edge, right angel is         fine.         2) Position of concave:     -   i) Start from tail of thread line under inner top of cap, make         concave on thread line, should engage with the first convex of         cup,     -   ii) if the number of thread ring inside the cap is more than the         number on cup, then need to design according to the first convex         of cup, then determine the concave inside the cap, the concave         need to be made between two thread lines         3) distance of concave: distance between each two concave is 1.1         mm         4) total length of concave: 1-2 cm         5) number of thread line: can be 1-4, each one comprises said         concave design.

Conclusion of Key Points of Cup/Cap Design:

Design key points Item Cup-convex Cap-concave 1a thickness 90% of maximum 1 mm (100% of maximum thickness of thickness of thread thread line 1 mm, as there is 0.1 mm ring (maximum space reserved on convex, there will thickness of thread be about 0.9 mm for convex engaging line is 1 mm) with concave.) 1b height about 90% of a) concave is made above the first maximum thickness of thread line on the inner top of cap, thread line height is from inner top of cap down to above first thread line b) concave is made between two thread lines on the inner top of cap, height is from inner top of cap down to under first thread line 1c width 1.0 mm 1.1 mm 1d appearance thickness and height cuboid, no need oblique angel or is similar with thread round edge, right angel is fine. line, both angel sides of width must have oblique angel or round edge 2 position use the distance a) Start from tail of thread line under between Position 1 inner top of cap, make concave on and Position 2 to thread line, should engage with the calculate (equivalent first convex of cup to the far right side of b) if the number of thread circle inside concave inside the the cap is more than the number on cap), position is from cup, then need to design according to the opening of cup the first convex of cup, then vertically down to the determine the concave inside the cap, top of first convex the concave need to be made between two thread lines 4/3 distance distance between distance between each two concave each two convex is is 0.8 mm 1 mm, except 3) c) ii) 3/4 number/length a) the number is total length of concave determined by 1 cm-2 cm tightening times required by the product, the more times required to open and close, the more the convex will be, due to tightening for many times, b) if the tightening time is not many, the number of convex can be 2-4, c) the number of convex for feeling is 5, suitable for not many tightening times. 5 number of can be 1-4, when can be 1-4, each one comprises said thread line there are 4, said concave design convex can be comprised on only 2 thread lines.

FIGS. 9a-9b and FIGS. 10a-10b , show the position of cup and cap of thread joining mechanism:

The embodiment of invention, making convex on cap (near opening of cap), making concave on cup (under bottom thread line), wherein the key of convex and concave design is to make them on a same track within respective thread line range on cup and cap, to have locking effect.

Key Points of Design: Cap—Convex

1) appearance of convex: height and thickness are similar with thread line, both angel sides must have oblique angel or round edge, in order to make it locked more smoothly when convex engages with concave during tightening the cap, 2) distance between two convex: 1 mm 3) thickness of convex: equivalent to 90% of maximum thickness of thread line (when maximum thickness of thread line is 1 mm), 4) height of convex: 90% of maximum height of thread line 5) width of convex: 1.0 mm 6) position of convex: use the distance between Position 1 and Position 2 to calculate (equivalent to the far right side of concave of the cup), position is from the inner top of cap vertically down to the top of first convex. 7) removed length of thread line that behind last convex:

-   -   i) maximum removed length: 2.5 cm     -   ii) minimum removed length: ⅓ of outer diameter of cup, or no         less than 1 cm         8) number of thread line: can be 1-4, each one comprises said         convex

Key Points of Design: Cup—Concave

1) appearance of concave: cuboid, no need oblique angel or round edge, right angel is fine, 2) distance between two concave: 0.8 mm 3) thickness of concave: 1 mm (100% of maximum thickness of thread line 1 mm, as there is 0.1 mm space reserved on convex, there will be about 0.9 mm for convex engaging with concave.) 4) height of concave: no more than maximum height of thread line 5) width of concave: 1.1 mm 6) position of concave: start from tail of bottom thread line of the cup, make concave under thread line, should engage with the first convex of cap 7) total length of concave: 1-2 cm 8) number of thread line: can be 1-4, when there are 4, due to limit of thread slider, said concave can be comprised under only 2 thread lines.

Conclusion of Key Points of Cap/Cup Design:

Design key points Item Cap-convex Cup-concave 1 appearance height and thickness are cuboid, no need oblique angel similar with thread line, or round edge, right angel is both angel sides must fine have oblique angel or round edge 2 distance distance between two 0.8 mm distance between two convex is 1 mm concave is 0.8 mm 3 thickness equivalent to 90% of 1 mm (100% of maximum maximum thickness of thickness of thread line 1 mm, thread line (when as there is 0.1 mm space maximum thickness of reserved on convex, there will thread line is 1 mm) be about 0.9 mm for convex engaging with concave.) 4 height 90% of maximum height of no more than maximum height thread line of thread line 5 width 1.0 mm 1.0 mm 6 position use the distance between start from tail of bottom thread Position 1 and Position 2 to line of the cup, make concave calculate (equivalent to the under thread line, should far right side of concave of engage with the first convex of the cup), position is from cap the inner top of cap vertically down to the top of first convex. 7 length removed length of thread total length of concave is line that behind second 1-2 cm convex: i) maximum removed length: 2 cm ii) ⅓ of outer diameter of cup, or no less than 1 cm 8 number of can be 1-4, each one can be 1-4, when there are 4, thread line comprises said convex due to limit of thread slider, said concave can be comprised under only 2 thread lines

The said characteristics of claims (collectively and can be individually in appropriate case) compose a part of the invention, and introduce as reference.

Different examples or embodiment are described above, it should be aware that, they are only explanations but not used to limit the scope of protection. It should also be aware that, different parts or components of embodiment can be combined and/or mixed each other where appropriate, in order to become the other forms but not lose generality. 

1. A thread joining mechanism which possesses and for annular engaging external surface and/or internal surface, preferably for the containers with annular opening, comprising: at least an external thread line, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a convex fixed area and locking piece, preferably be processed as configuration by a part of said upper end and lower end which close to said external thread line, or preference is given to the convex part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper end and/or lower end of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line, and/or the end or periphery or edge of said convex fixed area and locking piece is preferably possessing transition section like oblique angle or round edge, and/or the height of said convex fixed area and locking piece is roughly equivalent to the height of said external thread line, and/or the thickness of said convex fixed area and locking piece is roughly equivalent to the thickness of said external thread line, and/or the width of said convex fixed area and locking piece is roughly equivalent to the height of said external thread line.
 2. The thread joining mechanism of claim 1, characterized in that: the height of said convex fixed area and locking piece is preferably 80-100% of said external thread line's height or maximum height, the thickness of said convex fixed area and locking piece is preferably 70-100% of said external thread line's thickness or maximum thickness, the width of said convex fixed area and locking piece is preferably the height of said external thread line or maximum width which is 0.8-2 mm.
 3. The thread joining mechanism of claim 1, characterized in that: the number of said external thread line is preferably 1-4, the number of said external thread line is roughly equivalent to or depending on perimeter of container's opening, and/or the number of said convex fixed area and locking piece is preferably 1-12, when the number is 2 or above, any convex fixed area and locking piece are separated by preset spacing, preset spacing is preferably 2.5 cm or less, the number of said convex fixed area and locking piece is roughly corresponding to or depending on preset opening and closing times, and approximately in direct proportion, and/or when the number of convex fixed area and locking piece is even, the spacing of adjacent convex fixed area and locking piece is roughly equivalent to the width of said convex fixed area and locking piece.
 4. The thread joining mechanism of claim 3, characterized in that: the number of said external thread line is preferably 2, the spacing of said adjacent convex fixed area and locking piece is preferably 100-400% of said convex fixed area and locking piece's width or maximum width.
 5. The thread joining mechanism of claim 1, characterized in that: the upper end which along the width of said convex fixed area and locking piece preferably possesses transition section like oblique angle or round edge.
 6. A thread joining mechanism which possesses and for annular engaging external surface and/or internal surface, preferably for the containers with annular opening, comprising: at least an internal thread line, including upper end and lower end which outspread along annular engaging external surface and/or internal surface, at least a concave fixed area and locking piece, preferably be processed as configuration by a part of said upper end and lower end which close to said internal thread line, or preference is given to the concave part that integrates with said annular engaging external surface and/or internal surface, said fixed area and locking piece are set to that said annular engaging external surface and/or internal surface, and upper end and/or lower end of corresponding said thread line are separated by preset spacing, and outspread along the same direction with said thread line, outspreading on the height direction which is from the top end of said annular engaging external surface and/or internal surface down to the corresponding bottom end of said thread line, or outspreading on the height direction is between two adjacent thread lines.
 7. The thread joining mechanism of claim 6, characterized in that: the number of said internal thread line is preferably 1-4, the number of said internal thread line is roughly equivalent to or depending on perimeter of container's opening, and/or the number of said concave fixed area and locking piece is preferably 1-12, when the number is 2 or above, any concave fixed area and locking piece are separated by preset spacing, preset spacing is preferably 2.5 cm or less, the number of said fixed area and locking piece is roughly corresponding to or depending on preset opening and closing times, and approximately in direct proportion, and/or when the number of concave fixed area and locking piece is even, the spacing of adjacent concave fixed area and locking piece is roughly equivalent to the height of said thread line or the width of concave fixed area and locking piece.
 8. The thread joining mechanism of claim 7, characterized in that: the number of said internal thread line is preferably 2, the spacing of said adjacent concave fixed area and locking piece is preferably 80-100% of said concave fixed area and locking piece's width or maximum width.
 9. The thread joining mechanism of claim 6, characterized in that: the height of said concave fixed area and locking piece is roughly equivalent to the spacing on height direction between the top end of said annular engaging external surface and/or internal surface and the corresponding bottom end of said internal thread line, or the spacing on height direction between two adjacent thread lines.
 10. The thread joining mechanism of claim 6, characterized in that: the thickness of said concave fixed area and locking piece is roughly equivalent to 70-100% of said thread line's thickness or maximum thickness.
 11. The thread joining mechanism of claim 6, characterized in that: the width of said concave fixed area and locking piece is roughly equivalent to the height of said internal thread line.
 12. The thread joining mechanism of claim 11, characterized in that: the width of said concave fixed area and locking piece is preferably 90-110% of convex fixed area and locking piece's width or maximum width.
 13. The thread joining mechanism of claim 12, characterized in that: the width of said concave fixed area and locking piece is preferably 0.8-2 mm.
 14. A container, comprises open-type main body which can accommodate cavity and the cap which is separably coupled with said main body's opening, wherein said main body's opening comprises the thread joining mechanism of claim 1, said cap comprises corresponding said thread joining mechanism of claim 1, wherein: position of convex fixed area and locking piece is set to engage the position of concave fixed area and locking piece, so that each convex fixed area and locking piece is separably coupled with each concave fixed area and locking piece, and/or convex fixed area and locking piece is set to collide with concave fixed area and locking piece while coupling, in order to generate sensible vibration cues and/or audible sound cues, to indicate two parts or said main body and said cap have been correctly coupled and fixed on preset position.
 15. The container of claim 14, characterized in that: the number of said convex fixed area and locking piece is preferably 2-6, there will be fixed spacing and/or varying spacing between even number of convex fixed areas and locking pieces, and/or wherein the configuration that sensible vibration cues and/or audible sound cues are generated when the first convex fixed area and locking piece of said convex fixed areas and locking pieces are coupling with the first concave fixed area and locking piece of said concave fixed areas and locking pieces, to indicate two parts or said main body and said cap reach initial coupling status and fix on the preset position where start to tighten up, and/or the spacing between first convex fixed area and locking piece of said convex fixed areas and locking pieces and second convex fixed area and locking piece of said convex fixed areas and locking pieces is set to the spacing which needs to tighten up said main body and said cap with some power, preferably for 1-10 times of the width of said convex fixed area and locking piece or maximum width, and/or the configuration that sensible vibration cues and/or audible sound cues are generated when the second and subsequent convex fixed areas and locking pieces of said convex fixed areas and locking pieces are coupling with corresponding concave fixed areas and locking pieces, to indicate two parts or said main body and said cap are almost tightened up with each other and fix on the preset tightening position, and/or wherein said convex fixed area and locking piece is far away from the end of annular engaging external surface and/or internal surface or close to the end of said external thread line or the last convex fixed area and locking piece are set to separate with upper end and/or lower end of corresponding said external thread line for preset spacing, minimum is ⅓ of outer perimeter of opening, said preset spacing works as buffer space, when concave fixed area and locking piece go beyond the last convex fixed area and locking piece, can fix within said buffer space in order to avoid generating gap while touching or colliding with said external thread line.
 16. The container of claim 14, characterized in that: wherein said convex fixed area and locking piece is far away from the end of annular engaging external surface and/or internal surface or close to the end of said external thread line or the last convex fixed area and locking piece are set to separate with upper end and/or lower end of corresponding said external thread line for preset spacing, preferably for 1-2 cm.
 17. The container of claim 15, characterized in that: the number of convex fixed area and locking piece is preferably 5, the spacing between first convex fixed area and locking piece, and second convex fixed area and locking piece of said convex fixed areas and locking pieces is set to the spacing which needs to tighten up said main body and said cap with some power, preferably for 1-4 times.
 18. The container of claim 17, characterized in that: the spacing between first convex fixed area and locking piece, and second convex fixed area and locking piece of said convex fixed areas and locking pieces is set to the spacing which needs to tighten up said main body and said cap with some power, preference is given to 0.11-1 cm. 